Home / 3,175.75-4,381.52-2,057.55

Finding the Fourth Proportional to 3,175.75, 4,381.52 and 2,057.55

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Solution

The fourth proportional to 3,175.75, 4,381.52 and 2,057.55 is: 2,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.75 : 4,381.52 = 2,057.55 : x
  2. Step 2: Convert to fraction form
    3,175.75/4,381.52 = 2,057.55/x
  3. Step 3: Cross multiply
    3,175.75x = 4,381.52 × 2,057.55
  4. Step 4: Simplify right side
    3,175.75x = 9,015,196.48
  5. Step 5: Solve for x
    x = 9,015,196.48/3,175.75
  6. Step 6: Final answer
    x = 2,838.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.